38124-08-2 Piperazine, 1-((1-(4-ethoxyphenyl)-5-oxo-2-propyl-3-pyrrolidinyl)carbonyl)-, hydrochloride, trans- trans-p-Ethoxyphenyl-1 oxo-2 piperazinocarbonyl-4 propyl-5 pyrrolidine chlorhydrate [French]